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LON:COST

Costain Group (COST) Share Price, News & Analysis

Costain Group logo
GBX 226.50 +5.50 (+2.49%)
As of 08/21/2026 12:30 PM Eastern

About Costain Group Stock (LON:COST)

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Key Stats

Today's Range
218
227
50-Day Range
202
234.50
52-Week Range
124.40
241
Volume
689,563 shs
Average Volume
2.24 million shs
Market Capitalization
£599.53 million
P/E Ratio
16.53
Dividend Yield
2.30%
Price Target
GBX 227.50
Consensus Rating
Buy

Company Overview

Costain improves people's lives by creating connected, sustainable infrastructure that enables people and the planet to thrive. Through the delivery of predictable, best-in-class solutions across the transport, water, energy and defence markets, we are creating a sustainable future and securing a more prosperous, resilient and decarbonised UK. By bringing together our unique mix of construction, consultancy, engineering and digital services, we work strategically with our customers and suppliers to meet critical national needs. Together, our people transform the performance of the infrastructure that connects, protects and powers people's lives. Our 3,500 people manage a workforce of around 14,500 people and collaborate with customers, partners, communities and wider industry to make infrastructure fit for a better future. Our ambition is to become a net zero business by 2045, while enhancing biodiversity and natural capital, and we have plans in place to deliver this. We are committed to procure responsibly and to be an inclusive and accessible business for all, enabling us to be our best while focusing on the outcomes that we deliver for people and planet.

Costain Group Stock Analysis - MarketRank™

See Top-Rated MarketRank™ Stocks
45th Percentile Overall Score

COST MarketRank™: 

Costain Group scored higher than 45% of companies evaluated by MarketBeat. Scores are calculated by averaging available category scores, with extra weight given to analysis and valuation.

  • Consensus Rating

    Costain Group has received a consensus rating of Buy. The company's average rating score is 3.00, and is based on no strong buy ratings, 2 buy ratings, no hold ratings, and no sell ratings.

  • Upside/Downside

    The consensus price target for Costain Group is close to its current price, suggesting limited near-term upside or downside.

  • Amount of Analyst Coverage

    Costain Group has only been the subject of 1 research reports in the past 90 days.

  • Read more about Costain Group's stock forecast and price target.
  • Price to Earnings Ratio vs. the Market

    The P/E ratio of Costain Group is 16.53, which means that it is trading at a less expensive P/E ratio than the market average P/E ratio of about 45.45.

  • Price to Earnings Ratio vs. Sector

    The P/E ratio of Costain Group is 16.53, which means that it is trading at a less expensive P/E ratio than the Industrials sector average P/E ratio of about 26.69.

  • Price to Earnings Growth Ratio

    Costain Group has a PEG Ratio of 1.63. PEG Ratios above 1 indicate that a company could be overvalued.

  • Price to Book Value per Share Ratio

    Costain Group has a P/B Ratio of 2.69. P/B Ratios below 3 indicates that a company is reasonably valued with respect to its assets and liabilities.

  • Short Interest

    There is no current short interest data available for COST.
  • Dividend Yield

    Costain Group pays a meaningful dividend of 2.30%, higher than the bottom 25% of all stocks that pay dividends.

  • Dividend Growth

    Costain Group does not have a long track record of dividend growth.

  • Dividend Coverage

    The dividend payout ratio of Costain Group is 21.90%. This payout ratio is at a healthy, sustainable level, below 75%.

  • Read more about Costain Group's dividend.
  • News Sentiment

    Costain Group has a news sentiment score of 0.21. This score is calculated as an average of sentiment of articles about the company over the last seven days and ranges from 2 (good news) to -2 (bad news). This is a lower news sentiment than the 0.75 average news sentiment score of Industrials companies.
  • News Coverage This Week

    MarketBeat has tracked 4 news articles for Costain Group this week, compared to 1 article on an average week.
  • Search Interest

    84 people have searched for COST on MarketBeat in the last 30 days. This is an increase of 45% compared to the previous 30 days.
  • MarketBeat Follows

    1 people have added Costain Group to their MarketBeat watchlist in the last 30 days.
  • Insider Buying vs. Insider Selling

    In the past three months, Costain Group insiders have sold 38,745.90% more of their company's stock than they have bought. Specifically, they have bought £3,984.12 in company stock and sold £1,547,667.35 in company stock.

  • Percentage Held by Insiders

    49.10% of the stock of Costain Group is held by insiders. A high percentage of insider ownership can be a sign of company health.

  • Percentage Held by Institutions

    36.41% of the stock of Costain Group is held by institutions.

  • Read more about Costain Group's insider trading history.
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COST Stock News Headlines

Costain Group (LON:COST) Reaches New 1-Year High on Analyst Upgrade
The REAL Reason Trump is Invading Iran
For a moment… Forget about Trump’s ties to Israel. Forget about reports of Iran’s nuclear program. Because my research has led me to believe we’re risking World War 3 with Iran for a completely different reason.tc pixel
Costain Group (LON:COST) Price Target Raised to GBX 275
UK Stock Market News: Entain, Rank, Costain
See More Headlines

COST Stock Analysis - Frequently Asked Questions

Costain Group's stock was trading at GBX 159.20 on January 1st, 2026. Since then, COST shares have increased by 42.3% and is now trading at GBX 226.50.

Costain Group PLC (LON:COST) released its quarterly earnings results on Thursday, August, 13th. The company reported $5.70 earnings per share (EPS) for the quarter. Costain Group had a trailing twelve-month return on equity of 14.73% and a net margin of 3.57%.
Read the conference call transcript
.

Shares of COST stock and other U.K. stocks can be purchased through online brokerage accounts that support trading on the London Stock Exchange (LSX). Some U.K. companies can be purchased through major U.S. brokerages in the form of American Depository Receipts (ADRs), which are placeholder equities held in a trust by a bank that represent shares of a foreign stock.

Based on aggregate information from My MarketBeat watchlists, some other companies that Costain Group investors own include Fluor (FLR), Jacobs Engineering Group (JEC), KBR (KBR), NVIDIA (NVDA), Advanced Micro Devices (AMD), Meta Platforms (META) and John Wood Group (WG).

Company Calendar

Last Earnings
8/13/2026
Today
8/23/2026
CMD 2026
11/19/2026

Industry, Sector and Symbol

Stock Exchange
LON
Industry
Construction & Engineering
Sub-Industry
Construction & Engineering
Current Symbol
LON:COST
CIK
N/A
Fax
N/A
Employees
3,270
Year Founded
N/A

Price Target and Rating

High Price Target
GBX 275
Low Price Target
GBX 180
Potential Upside/Downside
+0.4%
Consensus Rating
Buy
Rating Score (0-4)
3.00
Research Coverage
2 Analysts

Profitability

EPS (Trailing Twelve Months)
GBX 13.70
Trailing P/E Ratio
16.53
Forward P/E Ratio
16.47
P/E Growth
1.63
Net Income
£29.90 million
Net Margins
3.57%
Pretax Margin
N/A
Return on Equity
14.73%
Return on Assets
5.63%

Debt

Debt-to-Equity Ratio
12.61
Current Ratio
1.40
Quick Ratio
1.32

Sales & Book Value

Annual Sales
£1.06 billion
Price / Sales
0.56
Cash Flow
GBX 259.87 per share
Price / Cash Flow
0.87
Book Value
GBX 84.30 per share
Price / Book
2.69

Miscellaneous

Outstanding Shares
264,692,000
Free Float
N/A
Market Cap
£599.53 million
Optionable
Not Optionable
Beta
0.88
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This page (LON:COST) was last updated on 8/23/2026 by MarketBeat.com Staff.
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